Contact bleeding is mainly bright red. Contact bleeding after coitus is usually considered to be a lesion above the cervix, such as acute cervicitis, chronic cervicitis, cervical polyps, cervical erosion and so on, which can lead to contact bleeding. The color of contact bleeding is bright red and the amount is not very large. If there is frequent contact bleeding, you need to beware of having malignant changes on the cervix. You need to go to the hospital for gynecological examination and colposcopy, as well as cervical TCT and cervical HPV cancer screening, comprehensive analysis, clear diagnosis, symptomatic treatment. If it is cervical polyps caused by contact bleeding, you can take laser surgery, polyp removal surgery, tissue sent to the pathology examination, a clear diagnosis. If it is cervical erosion, after excluding endocervical neoplasia or cervical cancer, and the erosion area is relatively large, you can take local physiotherapy for symptomatic treatment.